1097581795 has 16 divisors (see below), whose sum is σ = 1399150368. Its totient is φ = 823703040.

The previous prime is 1097581787. The next prime is 1097581811. The reversal of 1097581795 is 5971857901.

It is a happy number.

It is not a de Polignac number, because 1097581795 - 2³ = 1097581787 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5065 + ... + 47125.

It is an arithmetic number, because the mean of its divisors is an integer number (87446898).

Almost surely, 2^1097581795 is an apocalyptic number.

1097581795 is a deficient number, since it is larger than the sum of its proper divisors (301568573).

1097581795 is a wasteful number, since it uses less digits than its factorization.

1097581795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42390.

The product of its (nonzero) digits is 793800, while the sum is 52.

The square root of 1097581795 is about 33129.7720336256. The cubic root of 1097581795 is about 1031.5231165441.

The spelling of 1097581795 in words is "one billion, ninety-seven million, five hundred eighty-one thousand, seven hundred ninety-five".